misc

feat(package): `/p/demo/mux` support query strings #9742

Job	Run time
Run Main (autocounterd) / Go Build / generated	6s
Run Main (autocounterd) / Go Linter / lint	19s
Run Main (autocounterd) / Go Test / test	23s
Run Main (genproto) / Go Build / generated	9s
Run Main (genproto) / Go Linter / lint	14s
Run Main (genproto) / Go Test / test	18s
Run Main (genstd) / Go Build / generated	7s
Run Main (genstd) / Go Linter / lint	16s
Run Main (genstd) / Go Test / test	16s
Run Main (goscan) / Go Build / generated	10s
Run Main (goscan) / Go Linter / lint	19s
Run Main (goscan) / Go Test / test	14s
Run Main (loop) / Go Build / generated	11s
Run Main (loop) / Go Linter / lint	17s
Run Main (loop) / Go Test / test	21s
	3m 40s

Provide feedback